Originally Posted by theGman911

I have the Autometer (Cobalt Series). It is an electronic gague. Now Im a noob, but Maybe my setup is what your talking about because the "T" in my boost line then goes to a MAP sensor, then electronically sends the signal to the gague via wires, not directly from the vacuum line. Hope this helps a little..

Originally Posted by nj1266

That is possible, but I doubt it. There is really not that much of hp difference between a test pipe and HFC. But I will try it and see what I get.